Both uncle eBay's FYEAR10 10% off code and Sony's 10% off code are stackable. Go for it.
P.s. Was a bit slower than this post as I was testing out various eBay codes that don't show up in Sony ads.
There are some nice box damaged TVs like Sony XR75X90L $2024 delivered.
Sadly the codes are no longer stackable.
after entering FYEAR10, it shows You can only apply one voucher code to this purchase.